Improve kubernetes for prod

infrastructure/kubernetes/base/jobs/demo-seed-stock-job.yaml

@@ -25,14 +25,18 @@ spec:
         - |
           echo "Waiting 30 seconds for inventory-migration to complete..."
           sleep 30
-      - name: wait-for-inventory-seed
-        image: busybox:1.36
+      - name: wait-for-inventory-service
+        image: curlimages/curl:latest
         command:
         - sh
         - -c
         - |
-          echo "Waiting 15 seconds for demo-seed-inventory to complete..."
-          sleep 15
+          echo "Waiting for inventory-service to be ready..."
+          until curl -f http://inventory-service.bakery-ia.svc.cluster.local:8000/health/ready > /dev/null 2>&1; do
+            echo "inventory-service not ready yet, waiting..."
+            sleep 5
+          done
+          echo "inventory-service is ready!"
       containers:
       - name: seed-stock
         image: bakery/inventory-service:latest